Adding a notification for users to accept the updated T&Cs changes

[utkarsha-deriv]

Changes:

Added a new pop-up notification for users to accept the updated T&Cs changes.
We are getting tnc_status in the get_settings response.
This response will now have a hash like this.
"tnc_status": {
"svg": 1/0,
"maltainvest": 1/0
}
The 1 or 0 indicates whether they have accepted the tnc or not. If it is 0 then we need to show the pop up.
Upon accepting, we make an authenticated hit to tnc_approval api

This PR also implement's the T&C acceptance for the new account creation for real, Malta invest. The PR adds a new flag called tnc_acceptance : 1 to new_account_maltainvest and new_account_real api request payload.

Screenshots:

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
deriv-app	✅ Ready (Inspect)	Visit Preview	Sep 23, 2024 10:46am

[github-actions]

A production App ID was automatically generated for this PR. (log)

• PR: Adding a notification for users to accept the updated T&Cs changes #16422
• URLs:
  • w/ App ID + Server: https://deriv-app-git-fork-utkarsha-deriv-utkarsha-tncchange.binary.sx?qa_server=red.derivws.com&app_id=23853
  • Original: https://deriv-app-git-fork-utkarsha-deriv-utkarsha-tncchange.binary.sx
• App ID: 23853

Click here to copy & paste above information.

- **PR**: [https://github.com/binary-com/deriv-app/pull/16422](https://github.com/binary-com/deriv-app/pull/16422)
- **URLs**:
    - **w/ App ID + Server**: https://deriv-app-git-fork-utkarsha-deriv-utkarsha-tncchange.binary.sx?qa_server=red.derivws.com&app_id=23853
    - **Original**: https://deriv-app-git-fork-utkarsha-deriv-utkarsha-tncchange.binary.sx
- **App ID**: `23853`

[github-actions]

🚨 Lighthouse report for the changes in this PR:

Category	Score
🔺 Performance	29
🟧 Accessibility	70
🟢 Best practices	92
🟧 SEO	77
🟧 PWA	78

Lighthouse ran with https://deriv-app-git-fork-utkarsha-deriv-utkarsha-tncchange.binary.sx/

[coveralls]

coverage: 52.386% (-0.001%) from 52.387%
when pulling ad24108 on utkarsha-deriv:utkarsha/tnc_change
into 2f79fe8 on binary-com:master.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

⏳ Generating Lighthouse report...